The earth's crust, which includes all the continents and ocean basins, is divided into several pieces known as tectonic plates. these plates collide with, pull away from, and slide alongside each other as they move around on top of a more gradually deformable layer of the earth. a. less dense; hotter b. denser; colder c. less dense; colder d. denser; hotter

What type of specimens where you able to see under each of the microscopes in the microscope activity

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.